Hibernate Parameter value [568903] did not match expected type [java.lang.Long]

Question

I am using Hibernate 4 and I have a filter in JSF page to get search results. During execution of search I am getting the following exception

java.la

Answer 1

projectNo is long type in DAO, so change it to long.

Try this:

q.setParameter("projectNo", new Long(projectNo));

I think you should change:

ParameterExpression pexp = cb.parameter(Long.class, "projectNo"); 

to

ParameterExpression pexp = cb.parameter(String.class, "projectNo");